320146157 has 8 divisors (see below), whose sum is σ = 325328640. Its totient is φ = 314992080.

The previous prime is 320146153. The next prime is 320146201. The reversal of 320146157 is 751641023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320146157 - 2² = 320146153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320146153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16232 + ... + 30062.

It is an arithmetic number, because the mean of its divisors is an integer number (40666080).

Almost surely, 2^320146157 is an apocalyptic number.

It is an amenable number.

320146157 is a deficient number, since it is larger than the sum of its proper divisors (5182483).

320146157 is a wasteful number, since it uses less digits than its factorization.

320146157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14203.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 320146157 is about 17892.6285659765. The cubic root of 320146157 is about 684.0944982181.

The spelling of 320146157 in words is "three hundred twenty million, one hundred forty-six thousand, one hundred fifty-seven".